fix(WebGL): Work around a WebGL bug in Safari 10
fix(WebGL): Work around a WebGL bug in Safari 10

Even though the spec does not require any buffer to be bound at the time of drawArrays call, Safari

10 has a bug which requires something be bound at that point or else it generates an error about

accessing out of bounds arrays.

Kitware/paraviewweb,Kitware/paraviewweb,Kitware/paraviewweb,Kitware/paraviewweb